Alfred Hitchcock

Self - Host, Self - Man on the Book Cover, Self - Alfred the Stand-In

Harry Tyler

Timmy, Dan Silver, Sam Loomis

Lillian O'Malley

Housekeeper, Last Nurse, Flora

John Williams

Inspector Davidson, Herbert Carpenter, Inspector Brent

Patricia Hitchcock

Polly Stephens, Diana Winthrop, Nancy Mason

Raymond Bailey

Mr. Harris, Ed Johnson, Herbert Gild

Arthur Gould-Porter

Mr. Moen, Major Sinclair